The PCH Egg Massager is a compact egg-shaped- handheld massager that- provides massage with a simple touch of a button. The size is perfect for on-the-go stress relief, at the office, or in the comfort of your own home. It's ergonomically designed to glide through body curves like a hot stone massage. Interchangeable head plates also bring the option of multi-point massage. Pop on the single-point massage lid and let the nodes focus on specific areas and helps any sore spots. Batteries Required (3 AAA) included. Materials: silicone and ABS plastic, aluminum. Dimensions: 3.25"L x 3.25"W x 4.25"H Weight: 0.60 lbs.